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Site Info - Seznamzpravy.czOverview of web technologies used by Seznamzpravy.cz. Website Background Seznam ZprávyVidea, články, aktuální zprávy z domova i ze světa. Zpravodajství a publicistika od redakce Seznam.cz. automatic translation provided by Microsoft Messages listVideos, articles, breaking news from home and around the world. News and journalism from the Seznam.cz. Description on Homepage Top 10k among all websites Popularity rank JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages. Envoy Proxy is a proxy server designed for large service-oriented architectures. Email Profi is a Czech email service provider owned by Seznam. Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group. Facebook Social Plugins provide a way for Facebook users to share web pages with their friends. Facebook A Twitter/X Button allows a Twitter user to post a tweet from the visited site. Twitter/X External Cascading Style Sheets define style rules in a separate CSS file. Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page. Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute. Brotli is a lossless compression algorithm developed by Google. Gzip (GNU zip) is a file compression algorithm. Gzip Compression A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache. The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address. HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections. HTTP Strict Transport Security The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com. The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/. The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph. Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets. JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON. JSON-LD HTML5 is the fifth revision of the HTML standard. UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII. PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF. JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images. Scalable Vector Graphics (SVG) is an XML-based vector image format. Czech Republic
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